What was found
ON ARRIVAL AT GATE, AFT FA REPORTED ROTTEN EGG ODOR W/ APU BLEED SUPPLYING PACKS. SMELL DISAPAITED WITH BLEED TURNED OFF. CONTACTED MCC, DOES NOT MEET ODI EVENT, OK TO FWD TO CTL 25-20- 02. REFERENCE LOG #1733464 FOR CORRECTIVE ACTION. (LP: 6790958, AIRCRAFT WAS GROUNDED)